Apple Computer's vice president of platform experience, Scott Forstall, demonstrates the company's new application "Time Machine." Users can travel through time by scrolling through different windows that represent days, looking for the file they need. Leopard offers "Spaces" for virtual desktops

Apple CEO Steve Jobs introduces "Spaces," a new application for the Leopard operating system that enables users to group different applications in separate environments. T

CEO Steve Jobs announces, "Today, the Power Mac is going to fade into history," and then Phil Schiller, Apple's senior vice president of worldwide product marketing, shows off the new Mac Pro based on Intel's Xeon 5100 processor, code-named Woodcrest.